312720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1303}}^1$

素因数の和:1319

約数の個数: 40

約数和(自身を含む): 970176

約数和(自身を除く): 657456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1303, 2606, 3909, 5212, 6515, 7818, 10424, 13030, 15636, 19545, 20848, 26060, 31272, 39090, 52120, 62544, 78180, 104240, 156360, 312720]

約数ペア:

[(1, 312720), (2, 156360), (3, 104240), (4, 78180), (5, 62544), (6, 52120), (8, 39090), (10, 31272), (12, 26060), (15, 20848), (16, 19545), (20, 15636), (24, 13030), (30, 10424), (40, 7818), (48, 6515), (60, 5212), (80, 3909), (120, 2606), (240, 1303)]